Anisotropic Hardening of Rolled Sheet-Steel

  • J. P. Boehler
Part of the International Centre for Mechanical Sciences book series (CISM, volume 292)


It is well known that during manufacturing processes, the internal structure of polycrystals become strongly oriented, thus anisotropic [1]. On the macroscopic level, the oriented internal structure results in the anisotropy of the mecahnical behavior. For rolled sheet-steel, the internal structure generally presents three orthogonal planes of symmetry; the macroscopic behavior is thus orthotropic. When sheet-steel is subjected to further irreversible processes, the anisotropy of the internal structure is modified. The modifications affect not only the degree of initial orthotropy, but also the type of anisotropy, according to the orientation of the principal directions of the irreversible deformation with respect to the rolling direction: this is the phenomenon of anisotropic hardening.


Principal Direction Structural Tensor Orthotropic Material Rolling Reduction Normality Rule 


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Copyright information

© Springer-Verlag Wien 1987

Authors and Affiliations

  • J. P. Boehler
    • 1
  1. 1.University of GrenobleFrance

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